document.write( "Question 1198105: A soccer ball was kicked upwards. Its path can be modeled by the relation h=-0.2(d-5.5)^2 +7, where h is the ball’s height above the ground and d is the horizontal distance from where the ball was kicked, both in meters. \r
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document.write( "a) What is the vertex of the parabola?\r
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document.write( "b) What is the ball’s initial height?\r
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document.write( "c) Show the graph.\r
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document.write( "d) What does the vertex represent?
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Algebra.Com's Answer #831619 by ikleyn(52803)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "(a) The vertex of this parabola is d= 5.5, h= 7.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(b) The ball's initial height is the value produced by the formula at d= 0.\r\n" ); document.write( "\r\n" ); document.write( " Substitute d= 0 into the formula and find h = -0.2*(0-5.5)^2 + 7.\r\n" ); document.write( "\r\n" ); document.write( " Make the necessary calculations.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(c) Plot the graph on your own.\r\n" ); document.write( "\r\n" ); document.write( " Plotting graphs is the students' job.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(d) In this problem, the vertex represents the point, where the socces ball is in the highest position.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |